Registers _wp_cron() to run on the 'wp_loaded' action.
Description
If the 'wp_loaded' action has already fired, this function calls _wp_cron() directly. Warning: This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE. For information about casting to booleans see the <a href="https://www.php.net/manual/en/language.types.boolean.php">https://www.php.net/manual/en/language.types.boolean.php</a> PHP documentation. Use the === operator for testing the return value of this function.
Return
false|int|void
On success an integer indicating number of events spawned (0 indicates no events needed to be spawned), false if spawning fails for one or more events or void if the function registered _wp_cron() to run on the action.
Uses · 3
did_action()Retrieves the number of times an action has been fired during the current request.
_wp_cron()Runs scheduled callbacks or spawns cron for all scheduled events.
add_action()Adds a callback function to an action hook.
Signature, return type and hooks compared across 5 parsed releases.
6.9.7
Return type changed from false|int|void to none.verified against source
5.7.0
Functionality moved to _wp_cron() to which this becomes a wrapper.from the docblock
5.1.0
Return value added to indicate success or failure.from the docblock
2.1.0
Introduced.from the docblock
About this page
Parsed data
Generated from the wordpress-develop 6.7.7 tag, from src/wp-includes/cron.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
Something wrong on this page? Report it and it gets fixed in the next regeneration.